public class Test {
    public static void main(String[] args) {
        String s="hello";
        char[] ch=s.toCharArray();
        for (char c: ch) {
            System.out.println(c);

        }
        char[] ch1={'a','b','c','d','e','f'};
        String ss=new String(ch1);
        System.out.println(ss);
    }
}
